Energy Transfer Announces Binding Open Season for the Mariner East
Pipeline System

November 30, 2018 04:40 PM Eastern Standard Time

DALLAS--(BUSINESS WIRE)--Energy Transfer LP (NYSE: ET) today announced that its
subsidiary, Sunoco Pipeline L.P. (“Sunoco Pipeline”), launched a binding
open season to solicit shipper commitments for transportation service of
C3+ from the Marcellus/Utica play in Pennsylvania to destination
facilities in Claymont, Delaware and Marcus Hook, Pennsylvania, through
the Mariner East pipeline system. The open season will allow Sunoco
Pipeline to take advantage of new opportunities to add additional
product commitments to the pipeline, which is nearing completion.

Open Season Process

The open season commenced at 3:00 p.m. (Eastern Time) on November 30,
2018.

Potential shippers that desire to receive copies of the open season
documents are required to execute a confidentiality agreement and may
direct their requests for a confidentiality agreement to the following
e-mail address:

The Mariner East pipeline system, which went into service in the fourth
quarter of 2014 for propane, and the first quarter of 2016 for ethane,
is a series of pipelines from the Marcellus/Utica basin with origins in
Ohio, West Virginia and Pennsylvania that transport natural gas liquids
through interstate and intra-state routes to destinations in
Pennsylvania and Claymont, Delaware. Mariner East is operated by a
wholly owned subsidiary of Energy Transfer Operating, L.P.

About the Partnerships

Energy Transfer LP (NYSE: ET) owns and operates one of the largest and
most diversified portfolios of energy assets in the United States, with
a strategic footprint in all of the major domestic production basins. ET
is a publicly traded limited partnership with core operations that
include complementary natural gas midstream, intrastate and interstate
transportation and storage assets; crude oil, natural gas liquids (NGL)
and refined product transportation and terminalling assets; NGL
fractionation; and various acquisition and marketing assets. ET, through
its ownership of Energy Transfer Operating, L.P. (formerly known as
Energy Transfer Partners, L.P.), also owns Lake Charles LNG Company, as
well as the general partner interests, the incentive distribution rights
and 28.5 million common units of Sunoco LP (NYSE: SUN), and the general
partner interests and 39.7 million common units of USA Compression
Partners, LP (NYSE: USAC). For more information, visit the Energy
Transfer website at www.energytransfer.com.

Energy Transfer Operating, L.P. owns and operates one of the largest and
most diversified portfolios of energy assets in the United States.
Strategically positioned in all of the major U.S. production basins, its
core operations include complementary natural gas midstream, intrastate
and interstate transportation and storage assets; crude oil, natural gas
liquids (NGL) and refined product transportation and terminalling
assets; NGL fractionation; and various acquisition and marketing assets.
Energy Transfer Operating, L.P.’s general partner is owned by Energy
Transfer LP (NYSE: ET). For more information, visit the Energy Transfer
website at www.energytransfer.com.

The information contained in this press release is available on our
website at energytransfer.com.

Contacts

Investor Relations:Bill BaergBrent RatliffLyndsay
Hannah214-981-0795

Media Relations:Vicki Granado214-840-5820

Release Summary

ENERGY TRANSFER ANNOUNCES BINDING OPEN SEASON FOR THE MARINER EAST PIPELINE SYSTEM